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1 s and enhanced the gain of the fetal cardiac baroreflex.
2 Thus, its upregulation does not augment the baroreflex.
3 iating dorsal PAG modulation of the arterial baroreflex.
4 minate dorsal PAG attenuation of the cardiac baroreflex.
5 echanical and neural aspects of the arterial baroreflex.
6 ndent of central command and/or the arterial baroreflex.
7 apnea incidence, and desensitization of the baroreflex.
8 hanism may be sympathetic activation via the baroreflex.
10 2) the systolic blood pressure threshold for baroreflex activation increases significantly (the baror
13 roaches, transcatheter renal denervation and baroreflex activation therapy, are used in clinical prac
14 hypothesized that selective manipulation of baroreflex activity through electrical carotid sinus sti
17 a novel regulatory function of FGF21 in the baroreflex afferent pathway (the nucleus tractus solitar
19 the circulation, and a decreased gain of the baroreflex, all indicative of an impaired baroreceptor r
20 al chemoreflex, diving response and arterial baroreflex, allowing the discrimination of muscle vasoco
21 rophenylalanine (p-CPA) on the cardiac vagal baroreflex and cardiopulmonary reflex in awake and anest
23 NOS, resulting in activation of the arterial baroreflex and subsequent inhibition of central sympathe
24 ho-inhibitory and bradycardiac components of baroreflex and the sympathetic and respiratory responses
25 , the first synaptic station of afferents of baroreflexes and chemoreflexes, were evaluated using bra
27 solitarii (NTS) of rat, attenuates arterial baroreflexes, and leads to lability of arterial blood pr
28 ese data suggest that attenuated sympathetic baroreflexes are the result of altered central mechanism
29 involves attenuation of the parasympathetic baroreflex as it persists in the presence of atenolol.
30 t the rostral-ventrolateral medulla, altered baroreflex blood pressure regulation and death from stro
31 intravenous trimethaphan) and less effective baroreflex buffering (BRB) of BP (potentiation of the sy
32 capnia also causes resetting of the arterial baroreflex, but that this resetting would not occur with
33 minance, and (iii) resetting of the arterial baroreflex causes immediate exercise-onset reflexive inc
36 ance of the cardiac component of the carotid baroreflex (CBR) in control of blood pressure during iso
38 nerves identify the cardiac parasympathetic baroreflex component as being active over a higher range
39 , we hypothesized that mechanical and neural baroreflex components contribute equally to baroreflex h
40 ctivity, and (3) if mechanical and/or neural baroreflex components related to differences in integrat
41 n centres) and the tonically active arterial baroreflex contribute importantly to cardiovascular cont
42 hich was accompanied by improvements in both baroreflex control and spectral indicators of cardiac sy
43 ed in the NTS have the potential to modulate baroreflex control at this site in the central barorefle
45 arterial pressure and MSNA, but sympathetic baroreflex control is reduced before presyncope; (2) wit
46 Thus, other factors rather than sympathetic baroreflex control mechanisms contribute to sex differen
47 mechanisms will improve the understanding of baroreflex control of arterial blood pressure under this
51 o 22.4+/-2.1% of maximum, P<0.05), increased baroreflex control of heart rate (gain(max), 1.6+/-0.3 t
52 essure (MAP) but did significantly attenuate baroreflex control of heart rate (HR) evoked by low freq
55 ptors with isocapnic hypoxia resets arterial baroreflex control of heart rate and sympathetic vasocon
56 -3 mm Hg) and HR (33+/-3 bpm) and attenuated baroreflex control of HR at both ADN stimulation frequen
57 he nucleus ambiguus (NA) plays a key role in baroreflex control of HR, we examined whether CIH remode
59 al LSNA (to 228 +/- 28% control) and gain of baroreflex control of LSNA (from 3.8 +/- 1.1 to 7.4 +/-
60 i.c.v. insulin infusion increased basal and baroreflex control of LSNA and HR similarly in pro-oestr
61 eases lumbar (LSNA) and renal (RSNA) SNA and baroreflex control of LSNA and RSNA in alpha-chloralose
62 otherwise untreated rats increased basal and baroreflex control of LSNA, indicating that endogenous N
63 ies indicate that insulin increases arterial baroreflex control of lumbar sympathetic nerve activity;
64 t rest, whole-body heating enhanced arterial baroreflex control of MSNA through increased sensitivity
66 To assess whether CO is related to arterial baroreflex control of MSNA, we constructed a baroreflex
71 lex mechanism, we tested the hypothesis that baroreflex control of muscle sympathetic nerve activity
73 Like hypoxia, hypercapnia had no effect on baroreflex control of RR interval, heart rate or mean ar
74 annabinoids (endocannabinoids) in regulating baroreflex control of RSNA through actions in the NTS.
75 contrast, i.c.v. leptin increased basal and baroreflex control of splanchnic SNA (SSNA) and heart ra
76 relationship between cardiac output (CO) and baroreflex control of sympathetic activity by measuring
77 rat medial nTS (mnTS), a region critical for baroreflex control of sympathetic outflow, produced dose
80 <0.05) and increased the maximal gain of the baroreflex curves for heart rate (2.2+/-0.2 to 4.6+/-0.7
81 logical control system, such as the arterial baroreflex, depends critically upon both the magnitude (
87 greater neural component of the sympathetic baroreflex during both pressure falls and pressure rises
88 bles were related to the presence/absence of baroreflex dysfunction (defined by spontaneous barorefle
89 were more frequent in surgical patients with baroreflex dysfunction (relative risk, 1.66 [95% CI, 1.1
90 acic echocardiography following experimental baroreflex dysfunction (sino-aortic denervation) in rats
92 eceptor kinase 2 expression in conditions of baroreflex dysfunction and preserved cardiac function.
98 he horse fetus, with particular relevance to baroreflex function and hind limb vascular arterial reac
99 re evaluated for heritable autonomic traits: baroreflex function and pressor response to environmenta
100 gnalling in the dmNTS is integral for normal baroreflex function as indicated by the blunting of baro
101 smitters and neuromodulators in the dmNTS on baroreflex function both in normal and CHF states is not
102 were differences in sympathetic activity and baroreflex function by age, sex, or physical activity st
103 ermine if resetting of the carotid-vasomotor baroreflex function curve during exercise is modulated b
104 comparison to control, the carotid-vasomotor baroreflex function curve was relocated downward and lef
107 entional wisdom, hysteresis in cardiac vagal baroreflex function exhibits a specific pattern: pressur
108 stem, without changing intrinsic sympathetic baroreflex function in elderly hypertensive patients.
112 of vasomotor responsiveness and sympathetic baroreflex function is not the cause of neurally mediate
113 oth peripheral and central chemoreceptors on baroreflex function may contribute to promoting hyperten
114 ysical activity status, (2) if any aspect of baroreflex function related to differences in resting sy
115 flex activation increases significantly (the baroreflex function shifts to the right; 120 +/- 14 vs.
128 his difference in the operating range of the baroreflex-function curves is exaggerated in the spontan
129 /- 19, 6 nU; and 205 +/- 28, 60 nU) and LSNA baroreflex gain (in % control mmHg-1 from 4.3 +/- 1.2 to
130 explore the explanatory power of integrated baroreflex gain and its mechanical and neural components
133 etrics changed in opposite directions: vagal baroreflex gain and two indices of vagal fluctuations (r
134 etrics changed in opposite directions: vagal baroreflex gain and two indices of vagal fluctuations ro
135 e the sympathetic nervous system and enhance baroreflex gain are well known, the specific brain site(
138 ; altered arterial baroreceptor input (vagal baroreflex gain declined and muscle sympathetic nerve bu
140 ivity (LSNA) were recorded continuously, and baroreflex gain of HR and LSNA were measured before and
143 es ( approximately 0.25 Hz) lowered arterial baroreflex gain, and provoked smaller arterial pressure
144 the sympathetic nervous system and increase baroreflex gain, via a neural pathway that includes the
151 ) inhibited both the cardiac and sympathetic baroreflex gains (16 +/- 5% and 59 +/- 11% of control, r
154 ull expression of PEH requires a functioning baroreflex, hypertension, and activation of muscle affer
155 ls, and therefore it has been suggested that baroreflex hysteresis derives solely from vascular behav
158 red neurons and Ang II-induced inhibition of baroreflex in spontaneously hypertensive rats (SHR) vers
159 tudy examined whether attenuated sympathetic baroreflexes in OZRs may be due to altered sensory or ce
160 this confounding inhibitory influence of the baroreflex, in the current study we directly measured sk
161 n curves for the cardiac versus the vascular baroreflex indicates that there is a hierarchical recrui
162 ncrease in blood pressure (BP) and prolonged baroreflex inhibition of renal sympathetic nerve activit
163 the NTS were found to significantly prolong baroreflex inhibition of RSNA compared to control, simil
165 ence between the cardiac and non-cardiac SNA baroreflex is also seen in end-organ sympathetic outflow
168 blood pressure (BP) is regulated through the baroreflex mechanism, we tested the hypothesis that baro
170 ear signals, potentially implicating central baroreflex mechanisms for anxiolytic treatment targets.
173 ctuations at usual breathing frequencies are baroreflex mediated, that they persist during apnoea, an
175 l influences with atropine similarly reduced baroreflex-mediated bradycardic responses to increases i
176 ques may limit the ability to detect carotid baroreflex-mediated changes in cutaneous vascular conduc
178 Furthermore, E2 administration increases baroreflex-mediated heart rate responses to orthostasis
179 ower body negative pressure (LBNP; activates baroreflex-mediated sympathetic system) and the cold pre
182 le glucose was maintained constant, arterial baroreflex-MSNA gain was similarly enhanced (e.g. burst
183 lar resistance (SVR), possibly confounded by baroreflexes or interactions between single nucleotide p
186 hesis that nNOS is involved in excitation of baroreflex pathways in NTS while excluding pharmacologic
187 nNOS in the NTS is integral to excitation of baroreflex pathways involved in reflex tachycardia, a la
189 attenuated in habitual smokers; that is, the baroreflex plays a permissive role, allowing sympathoexc
192 creasing CBV and loading the cardiopulmonary baroreflex reduces the magnitude of exercise-induced inc
193 ndently suppressed lumbar SNA (LSNA) and its baroreflex regulation, and these effects were blocked by
195 effects were assessed by measuring the RSNA baroreflex response to increased pressure after bilatera
196 d chronotropic responses manifested the same baroreflex responses as animals that had been treated wi
205 ticularly important and occurs via augmented baroreflex responsiveness and increased cardiomyocyte se
206 ents (muscle metaboreflex) decreases cardiac baroreflex responsiveness during leg cycling exercise in
208 m, mean and maximum (+/-s.d.) supine control baroreflex sensitivities averaged 5 +/- 3, 18 +/- 6, and
209 fferences in the cardiovagal and sympathetic baroreflex sensitivities between phases under any condit
210 antecedent hypoglycemia leads to 1) reduced baroreflex sensitivity (16.7 +/- 1.8 vs. 13.8 +/- 1.4 ms
212 systolic blood pressure, cardiac parameters, baroreflex sensitivity (BRS) and hyperinsulinemia in the
214 lex function as indicated by the blunting of baroreflex sensitivity (BRS) following the antagonizatio
218 ventilatory recruitment threshold (VRT-CO2), baroreflex sensitivity (BRS), blood pressure, and blood
219 ailure (CHF) results in blunting of arterial baroreflex sensitivity (BRS), which arises from alterati
222 nism for the decrease in spontaneous cardiac baroreflex sensitivity (cBRS) during exercise in humans.
223 thetic nerve activity (MSNA) and sympathetic baroreflex sensitivity (MSNA-diastolic pressure relation
224 emetry), autonomic function, and spontaneous baroreflex sensitivity (SBRS) were not significantly dif
225 Fortunately, emerging data suggest that baroreflex sensitivity and autonomic function may be res
230 at 0.6 of gestation; however, fetal cardiac baroreflex sensitivity decreased with advancing gestatio
231 ared with baseline euglycemic conditions, 1) baroreflex sensitivity decreases significantly (19.2 +/-
234 athetic neural responses but not sympathetic baroreflex sensitivity during orthostasis, though uprigh
235 t during brief periods of observation, human baroreflex sensitivity fluctuates widely and rhythmicall
239 mpathetic nerve activity and reduced cardiac baroreflex sensitivity heighten cardiovascular risk, alt
241 hough studies have examined resting arterial baroreflex sensitivity in older subjects, little attenti
242 mpathetic nerve activity and reduced cardiac baroreflex sensitivity in patients with RA compared to m
243 of ANA-12 into the dmNTS greatly diminished baroreflex sensitivity in sham rats, whereas it had less
244 s measurements of heart rate variability and baroreflex sensitivity in the neuromonitoring setting of
247 Not only sympathetic but also cardiovagal baroreflex sensitivity is similar between sexes and mens
255 s measurements of heart rate variability and baroreflex sensitivity we aimed to test whether autonomi
257 t subjects, moderate ongoing fluctuations of baroreflex sensitivity were punctuated by brief major pe
261 art rate variability, heart rate turbulence, baroreflex sensitivity) were significant predictors of a
262 We have previously shown that depressed baroreflex sensitivity, an established marker of reduced
263 ngiotensin II levels, inflammation, impaired baroreflex sensitivity, and autonomic dysfunction, as we
264 stress, impaired sympathetic and cardiovagal baroreflex sensitivity, and increased inflammation.
265 ormalized indexes of sympathetic outflow and baroreflex sensitivity, and reduced the incidence of apn
266 ween arrhythmic events and predictive tests (baroreflex sensitivity, heart rate turbulence, heart rat
268 upled with impairments in renal function and baroreflex sensitivity, increased neuroinflammatory mark
269 eart rate variability, endothelial function, baroreflex sensitivity, inflammation, and platelet funct
270 t, as measured by heart rate variability and baroreflex sensitivity, is significantly associated with
271 function, including decreased cardiac vagal baroreflex sensitivity, may contribute directly to morta
272 stiffness; (2) it is associated with reduced baroreflex sensitivity, which increases blood pressure v
281 tatory or inhibitory role in transmission of baroreflex signals in the nucleus tractus solitarii (NTS
283 w and previously published studies involving baroreflex stimulation and pharmacological blockade of t
284 nervation, cervical vagal nerve stimulation, baroreflex stimulation, cutaneous stimulation, novel dru
286 t-term exposure to RHA shifts ('resets') the baroreflex stimulus-response curve to higher levels of B
288 ears, and a final follow-up: pharmacological baroreflex testing (baroreceptor reflex sensitivity), sh
289 terminant of MSNA in humans via the arterial baroreflex, the lack of correlation among individuals su
290 baroreflex control of MSNA, we constructed a baroreflex threshold diagram for each individual by plot
292 a lower range of pressures than the cardiac baroreflex (threshold 66 +/- 1 mmHg versus 82 +/- 5 mmHg
293 othesis that endogenous AEA can modulate the baroreflex through cannabinoid CB(1) receptor activation
295 the working heart-brainstem preparation, the baroreflex was activated using brief pressor stimuli and
297 In contrast, the operating points of the baroreflexes were shifted rightward (to higher levels of
298 hical recruitment of the output limbs of the baroreflex with a sympathetic predominance at lower arte
299 Both handgrip (HG) and disengagement of baroreflexes with lower body negative pressure (LBNP) ca
300 increase the gain of the cardiac limb of the baroreflex without changing the sympathoinhibitory compo
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